MSNBC TEHRAN, Iran — Iran's navy said Sunday it test-fired an advanced surface-to-air missile during a drill in international waters near the strategic Strait of Hormuz, the passageway for one-sixth of the world's oil supply. Iran's state TV said… more »

Fox News After Newt Gingrich renewed his call to run a "positive campaign," Mitt Romney is putting that pledge to the test -- unleashing a new ad that questions Gingrich's past cooperation with House Democratic Leader Nancy Pelosi on climate change a… more »

Washington Post/AP LONDON — Iran has conducted covert tests of ballistic missiles in addition to a 10-day program of public military maneuvers, Britain alleged on Wednesday. Foreign Secretary William Hague told the House of Commons that there had bee… more »

A target vessel was disabled during the test of a high-energy laser off the coast of California. From Charley Keyes, CNN Senior National Security Producer Washington (CNN) -- Science fiction became science fact when the U.S. Navy barbecued an outboard… more »

Associated Press SALT LAKE CITY – A Utah military base that carries out tests to protect troops against biological attacks was locked down over a "serious concern," but was beginning to reopen early Thursday, officials said. Base commander Col. Willi… more »